EP 1604839 A4 20080213 - PNEUMATIC TIRE AND METHOD OF MOUNTING THE SAME
Title (en)
PNEUMATIC TIRE AND METHOD OF MOUNTING THE SAME
Title (de)
LUFTREIFEN UND BEFESTIGUNGSVERFAHREN DAFÜR
Title (fr)
PNEUMATIQUE ET SON PROCEDE DE MONTAGE
Publication
Application
Priority
- JP 2004003320 W 20040312
- JP 2003070250 A 20030314
- JP 2003387632 A 20031118
Abstract (en)
[origin: WO2004080730A1] Run-flat tires capable of effectively improving run-flat durability without sacrificing riding comfortableness in normal running under normal inner pressure, the run-flat tire of a first invention wherein a belt (8) formed of at least one sheet of cord rubber coated layer is installed between the crown part of a carcass (7) formed of at least one ply extending in toroidal shape to bead parts (3), side wall parts (4), and a tread part (5) and the tread part (5), reinforcement rubbers (11) of generally crescent shape in cross section are installed at least on the inner surface sides of the side wall parts (4), and ring-shaped rim guard parts (13) projected toward the lateral outside of the tire are installed on the outer surfaces of the tire just above rim flanges (Rf), characterized in that the rim guard parts (13) are formed of hard rubber, and the 100% modulus of the hard rubber is 3.0 MPa or higher and within two to five times the 100% modulus of skin rubber (14) forming the side wall parts (4).
IPC 1-7
IPC 8 full level
B60C 15/024 (2006.01); B60C 17/00 (2006.01)
CPC (source: EP US)
B60C 15/024 (2013.01 - EP US); B60C 17/0009 (2013.01 - EP US); Y10T 152/10846 (2015.01 - EP US)
Citation (search report)
- [PX] EP 1318031 A1 20030611 - GOODYEAR TIRE & RUBBER [US]
- [A] JP 2000071723 A 20000307 - SUMITOMO RUBBER IND
- [A] GB 2349367 A 20001101 - YOKOHAMA RUBBER CO LTD [JP]
- See references of WO 2004080730A1
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
EP 1604839 A1 20051214; EP 1604839 A4 20080213; US 2006162836 A1 20060727; WO 2004080730 A1 20040923
DOCDB simple family (application)
EP 04720253 A 20040312; JP 2004003320 W 20040312; US 54927405 A 20050913